If  and P cosθ = 1,  then the value of P is

• 

• 

• 2

• 

The value of  is

• 1

• 2

• 

• 

If  and θ is acute,  then cosec θ is equal to

If  then cos θ - sin θ is

The value of  is

• cot θ

• cosec θ

• tan θ

• 1

136.

If  then the value of 1 - 2 sin²θ  is

• 0

• 

• 

• 

If  then  is

The value of (tan 1°  tan 2°  tan 3°.... tan 89°) is

• undefined

• 0

• 1

• 89

If  and . then the value of 

• 9

• 0

• 1

• 4

If  then sin θ is equal to

• 2/3

• 3/4

• 1/4

• 1/3